When we went to the moon and realized that the Soviet Union had no realistic plans of getting to the moon, then we stopped going to the moon.

I dream of a world where the truth is what shapes people's politics, rather than politics shaping what people think is true.

People like death and mayhem.

The show [ StarTalk ] was born as a radio program out of a National Science Foundation grant.

I don't require that the main guest [of StarTalk] have any science knowledge or background at all. It's just, I have a conversation with them, it's long and winding, and we find out what parts of what we learn about the person lend themselves to further scientific discussion with an expert who is brought into the studio. So that's how that comes together.

I want to encourage people to not think in terms of gifts, but think in terms of, wow. You work hard to succeed at that, because that's exactly what I do.

The iron from that meteorite and the iron from your blood have common origin in the core of a star.